TRANSCEIVING ANTENNA Russian patent published in 2007 - IPC H01Q5/01 

FIELD: radio engineering including antenna and radar engineering.

SUBSTANCE: proposed transceiving antenna disposed in plane perpendicular to screen has matching device and active electromagnetic energy radiators made in the form of three asymmetric dipoles; these active electromagnetic energy radiators are mounted in tandem one after another and spaced 0.1 - 0.25λ_l apart, where λ_l is wavelength of frequency-band lower boundary; electric lengths of electromagnetic energy radiators equals 0.55-0.65λ_l, 0.4-0.55λ_l, and 0.15-0.35λ_l, respectively; mounted on screen at side of active radiator, 0.15-0.35 λ_l in length, at distances of 0.13-0.18λ_l and 0,25-0.3λ_l , respectively, are two passive dipoles, 1.1-1.3λ_l and 0,55-0.65λ_l in length and passive dipole, 0,25-0.35λ_l in length, is installed at distance of 0,2-0.25λ_l at side of active radiator, 0,55-0.65λ_l in length.

EFFECT: ability of generating directional pattern in azimuthal plane; extended passband toward low frequencies.

4 cl, 5 dwg